package com.py.payment.nettys.constant;

public class MessageConstant {

    /**
     * 心跳
     */
    public final static String heartBeat = "310121090040";

    /**
     * 命令帧-起始字头
     */
    public final static String commandFrameEndingPrefix = "AA75";

    /**
     * 应答帧-起始字头
     */
    public final static String replyFrameStartingPrefix = "557A";

    /**
     * 命令字节
     */
    public final static String commandBytes = "10";

    /**
     * 保留字节
     */
    public final static String reserveBytes = "000E00";


}
